Importance of iron deficiency in patients with chronic heart failure as a predictor of mortality and hospitalizations

Iron deficiency (ID) in patients with chronic heart failure (CHF) is considered an adverse prognostic factor. We aimed to evaluate if ID in patients with CHF is associated with increased mortality and hospitalizations. We evaluated ID in patients with CHF at 3 university hospitals. ID was defined as...

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Authors: González-Costello, José|||0000-0002-7437-3630, Comín-Colet, Josep|||0000-0001-8780-720X, Lupón, Josep|||0000-0002-5601-9611, Enjuanes, Cristina|||0000-0002-7916-1223, de Antonio Ferrer, Marta|||0000-0002-4319-797X, Fuentes, Lara, Moliner-Borja, Pedro, Farré, Núria|||0000-0003-3110-6572, Zamora, Elisabet|||0000-0001-5317-7481, Manito, Nicolás, Pujol Vallverdú, Ramón M.|||0000-0002-5622-6055, Bayés-Genís, Antoni|||0000-0002-3044-197X
Format: article
Publication Date:2018
Country:España
Institution:Universitat Autònoma de Barcelona
Repository:Dipòsit Digital de Documents de la UAB
Language:English
OAI Identifier:oai:ddd.uab.cat:253702
Online Access:https://ddd.uab.cat/record/253702
https://dx.doi.org/urn:doi:10.1186/s12872-018-0942-x
Access Level:Open access
Keyword:Chronic heart failure
Iron deficiency
Mortality
Hospitalization
Description
Summary:Iron deficiency (ID) in patients with chronic heart failure (CHF) is considered an adverse prognostic factor. We aimed to evaluate if ID in patients with CHF is associated with increased mortality and hospitalizations. We evaluated ID in patients with CHF at 3 university hospitals. ID was defined as absolute (ferritin < 100 μg/L) or functional (transferrin Saturation index < 20% and ferritin between 100 and 299 μg/L). We excluded patients who received treatment with intravenous Iron or Erythropoietin during follow-up. We evaluated if ID was a predictor of death or hospitalization due to heart failure or any cause using univariate and multivariate cox regression analysis. We included 1684 patients, 65% males, 38% diabetics, median age of 72 years, 37% in functional class III-IV and 30% of patients with a left ventricular ejection fraction.